diff --git a/src/index.js b/src/index.js
index 600b78b..44b2c98 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,3 +1,5 @@
 const validate = require('./validate');
+const validateError = require('./ValidationError');
 
 module.exports = validate.default;
+module.exports.ValidateError = validateError.default;
diff --git a/test/api.test.js b/test/api.test.js
new file mode 100644
index 0000000..5c0cb80
--- /dev/null
+++ b/test/api.test.js
@@ -0,0 +1,8 @@
+import schemaUtils from '../src/index';
+
+describe('api', () => {
+  it('should export validate and ValidateError', () => {
+    expect(typeof schemaUtils).toBe('function');
+    expect(typeof schemaUtils.ValidateError).toBe('function');
+  });
+});